Hi, In one of our previous post we have discussed how to animate sprite sheet in cocos2D. In some cases you may need to stop the sprite sheet animation abruptly. How to do that? Here the way to do that. Use the following. [spriteName stopAction:spriteNameAction]; where spriteName is the name of your sprite & spriteNameAction… Read More »
Hi, On many occasions you may need to use a popup button & in cocoa mac you can use NSPopUpButton objects for the same. While using a pop up button we need to identify the name of the item selected from the pop up list. But how is that done? You can use the following… Read More »
This is a simple example of creating options Menu in ANDROID. This menu can be seen by clicking on the “Menu Button” in ANDROID. Check out this example. The main.xml for the above code is
What is context menu? Where it is used? How it is used? I will cover all these questions… Context Menu A context menu is conceptually similar to the menu displayed when the user performs a “right-click” on a PC. You should use a context menu to provide the user access to actions that pertain to… Read More »
This is one of the common problems found in the site hosted on wordpress. If your blog title is not showing the title, Then go to Settings-> General-> Blog title and set the blog title there. If still the title is not coming..then you must have installed “All in One SEO” as plugin in your… Read More »
Cropping an image in ANDROID programmatically has always been a problem for ANDROID developers. So Here I am putting a sample code to demonstrate this. For cropping an image in ANDROID we need a source bitmap which is our image itself, the other one is the target bitmap which we have to set the size… Read More »
Hi, Suppose you have a sprite sheet of the desired animation you want. But how will you use that sprite sheet animation in your program using cocos2D? That’s simple. See the following code first. //Initializing a CCSpriteBatchNode with our sprite sheet image CCSpriteBatchNode *newSpriteSheet = [CCSpriteBatchNode batchNodeWithFile:@”jumpingOver.png”]; //Adding the spriteSheet to the layer & setting… Read More »
Hi, Sometimes you need to add Image to a UIImageView from the URL of the image you got. In that case, this is how you can add image to the UIImageView. NSString *picURL= @”http://photobucket.com/yourImage.gif”; NSData *picData = [[NSData alloc]initWithContentsOfURL:[NSURL URLWithString:mapURL]]; UIImage* picture = [[UIImage alloc] initWithData:picData]; [pictureView setImage:picture]; [picData release]; [picture release]; Here, pictureView is… Read More »
OK The first question is 1. How to create a new Virtual SD card in emulator in ANDROID? Many times we may have not enough memory for our application to run on the emulator. So what we do? One method is to create new virtual device with more memory. Another method is to extend the… Read More »
ListView is like a tableView in iPhone or iOS . In this example i will show you how to add a String Array in to the ListView and also make the listView Scrollable. First the xml file . Here the line android:scrollbars=”vertical” will make the scrolling vertically Now the java file The screen will be… Read More »
File reading is important in android. For the put the files in the assets folder. We can able to read foldername filename Contents of the file First we read the name of the folder. “folder_array” contains all the names of the folder Then if the path is set to Then the list of file name… Read More »
Hi, While using Box2D , in many cases you may need to connect two bodies together. But the collision between them during motion is not what you preferred! So how can you prevent those bodies being connected in Box2D from collision? Use the line of code to prevent the collision. jointDef.collideConnected = false;
Hi, Suppose you want to copy a sprite image to another new sprite while using cocos2D. What you do? See the following code… Let oldSprite be your first sprite CCSprite *oldSprite = [CCSprite spriteWithFile:@”ImgOne.png”]; And newSprite be your second sprite CCSprite *newSprite = [CCSprite spriteWithTexture:[oldSprite texture]]; That’s it! Done! Now newSprite too contain ImgOne as… Read More »
Yet another animation api from cocos2D, check it out…… id move = [CCMoveTo actionWithDuration:1 position:ccp(200,250); CCEaseElasticIn *elasticIn = [CCEaseElasticIn actionWithAction:move period:2.0]; [my_sprite runAction:elasticIn ];
There are different ways for playing sound on the Mac in Objective C. Let’s look at some of the methods.. 1. Play by filename. NSSound *mySound = [NSSound soundNamed:@”sound”]; if you have no file named “sound” in your application’s main bundle, then it will return nil. 2. Play by pathName sound = [[NSSound alloc] initWithContentsOfFile:@”/Volumes/Audio/sound.aiff”… Read More »
This code snippet deletes a substring from a original string.. /** initialize two strings **/ NSString *string = @”This is heaven”; NSString *part = @”heaven”; /** Get the range of the substring in the original string **/ NSRange range = [string rangeOfString:part]; /** Delete the substring from the original string **/ [string deleteCharactersInRange:range]; Please leave… Read More »
Sometimes we may need to have a sound when we hover over something, i.e when a tooltip appears. Actually this can be done easily by adding an eventListener to the corresponding control. Take a look at the example. This line is the important line. myLabel.addEventListener(ToolTipEvent.TOOL_TIP_SHOW, myListener); The function myListener gets called when we hover over… Read More »
Hi, Let’s see how encapsulation can be implemented using properties in C#.NET/ASP.NET. Let’s see the code first. using System; public class Student { private int stud_id = -1; public int ID { get { return stud_id; } set { stud_id = value; } } private string stud_name = string.Empty; public string Name { get {… Read More »
Often we see alerts with text message or title in it. But actually we can customize alerts. We can place any views inside it. We can place a textView(TextField) , imageView etc in it. Take a look at this simple example that places a textbox inside an alertView. UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@”Title goes… Read More »
GridViews are those in which you can arrange elements in a two dimensional grid. It is what you see in the gallery where images are arranged. Here images are arranged in a two dimensional grid. Copy the below code and save it as “MyGridView.java” Now create another file named “Images.java” and copy the below code… Read More »
In android there are different layouts and we often confuse about which one to use. Even if we select one, it is little complicated. So this tutorials is to show you about the TableLayout Here i first created linear Layout in which a Table Layout is added Here you can see that the first row… Read More »
We usually see only alerts with text only, but in Adobe AIR and FLEX we can have alerts with our images in it. That’s really cool right. Take a look at this simple example. It places an image in the alert. Make sure that you have the image named “alert_image.png” in your “src” folder or… Read More »
Hi, In some special cases you may need to disable the Right Click option on HTML page you are using. An easy way to do it using jQuery is follows. Use the following code in the HTML page where you want to disable Right Click. $(document).ready(function(){ $(document).bind(“contextmenu”,function(e){ return false; }); }); 🙂
If you want to round a decimal number using SQL, use the ROUND() function of SQL. Syntax: SELECT ROUND(column_name,decimals) FROM table_name eg: SELECT itemName, ROUND(Price,2) as Price FROM Purchase It will select itemName and Price from the table ‘Purchase’ and will Round the Price with 2 decimal places. 🙂
Hi, In order to sort elements in ArrayList using ASP.NET we can use the Sort() method. It will sort ArrayList Elements alphabetically. This will sort the ArrayList elements alphabetically. 🙂